| Date |
Acronym |
Information provided |
| 2025/01/03 | ADHC | BEACON INSTALLED |
| 2024/12/30 | ADHC | BEACON REMOVED |
| 2015/03/18 | ADHC | ADHC START |
| 2014/12/23 | ADGB | ADGB END |
| 2014/06/10 | ADGB | BEACON CHANGED |
| 2011/05/30 | ADGB | ADGB START |
| 2011/05/30 | ADFB | ADFB END |
| 2011/05/30 | ADFB | invalid data (problem of maser & antenna failure) END |
| 2011/01/16 | ADFB | invalid data (problem of maser) START |
| 2011/01/16 | ADFB | invalid data (problem of maser & antenna failure) START |
| 2011/01/12 | ADFB | invalid data (problem of maser) END |
| 2010/12/23 | ADFB | invalid data (problem of maser) START |
| 2010/12/20 | ADFB | invalid data (problem of maser) END |
| 2010/12/18 | ADFB | invalid data (problem of maser) START |
| 2010/11/04 | ADFB | invalid data (abnormal maser frequency drift) END |
| 2010/09/07 | ADFB | invalid data (abnormal maser frequency drift) START |
| 2008/02/08 | ADFB | ADFB START - Antenna raising |
| 2008/02/06 | ADEB | ADEB END |
| 2002/03/01 | ADEB | ADEB START |
| 2002/03/01 | ADEA | ADEA END |
| 2000/03/05 | ADEA | Earthquake of magnitude:6.1 distance:496km |
